backtobusiness.dk

Records from scan: 2026-10-20 04:54:01 · 626ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

backtobusiness.dk is a .dk domain served by 2 nameservers (ns3.au.dk, ns4.au.dk). It was registered on 11 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.45.20.48 is hosted by Aarhus Universitet (AS62138) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 96ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.au.dk	20.73.178.34	ns3.au.dk	AS8075 Microsoft Corporation
ns4.au.dk	185.45.20.154	ns4.au.dk	AS62138 Aarhus Universitet

🌍 A Records#

1 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.45.20.48	30s	net.cavi.dk	AS62138	Aarhus Universitet	185.45.20.0/22	🇩🇰 Denmark	Aarhus

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 344ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (backtobusiness.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.backtobusiness.dk)
p=reject	v=DMARC1;p=reject;pct=100;aspf=r;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-20 04:54:01

www	185.45.20.48 (AS62138) (address records, no CNAME)
www vs bare domain	Same network backtobusiness.dk: 185.45.20.48 (AS62138) www.backtobusiness.dk: 185.45.20.48 (AS62138)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

174ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	delv transient; dig AD confirmed

🏷️ SOA#

25ms

Field	Value
Serial	4305
Primary NS (MNAME)	infobloxgm3.au.dk
Responsible (RNAME)	auit-dns@au.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-14 20:16:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-11
Expires	2027-01-31 (102d)

🔗 Same registrant#

598 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
1mmper100y.dk	Punktum dk A/S (direct)
9april1940.dk	Punktum dk A/S (direct)
aaasc.dk	Punktum dk A/S (direct)
aaeu.dk	Punktum dk A/S (direct)
aarhus-bss.dk	Punktum dk A/S (direct)
aarhus-uni.dk	Punktum dk A/S (direct)
aarhusbotaniskehave.dk	Punktum dk A/S (direct)
aarhusbss.dk	Punktum dk A/S (direct)
aarhusbusinessuniversity.dk	Punktum dk A/S (direct)
aarhuslifescience.dk	Punktum dk A/S (direct)
aarhusuniversitet.dk	Punktum dk A/S (direct)
aasbss.dk	AARHUS UNIVERSITET
aaubot.dk	Punktum dk A/S (direct)
aauherbarium.dk	Punktum dk A/S (direct)
accountingdictionary.dk	Punktum dk A/S (direct)
acrobatic.dk	Simply.com A/S
acutemedicine.dk	Punktum dk A/S (direct)
adaptivmusik.dk	Punktum dk A/S (direct)
addition10.dk	Punktum dk A/S (direct)
afmagt.dk	AARHUS UNIVERSITET
afn.dk	Punktum dk A/S (direct)
aglance.dk	Punktum dk A/S (direct)
agrisci.dk	Punktum dk A/S (direct)
agrivolt.dk	AARHUS UNIVERSITET
agroecology.dk	Punktum dk A/S (direct)
agrsci.dk	Punktum dk A/S (direct)
agse.dk	Punktum dk A/S (direct)
akademisk-dannelse.dk	Punktum dk A/S (direct)
akademiskdannelse.dk	Punktum dk A/S (direct)
aktuelnaturvidenskab.dk	Punktum dk A/S (direct)
aktuelviden.dk	Punktum dk A/S (direct)
akutforskning.dk	Punktum dk A/S (direct)
alfam.dk	Punktum dk A/S (direct)
almass.dk	Punktum dk A/S (direct)
animalgenetics.dk	Punktum dk A/S (direct)
animalgenomics.dk	Punktum dk A/S (direct)
annatto.dk	Punktum dk A/S (direct)
ant-manure.dk	Punktum dk A/S (direct)
antikmuseet.dk	Punktum dk A/S (direct)
aphandra.dk	Punktum dk A/S (direct)
artemisiaprojekt.dk	Punktum dk A/S (direct)
asb.dk	Punktum dk A/S (direct)
asbcast.dk	Punktum dk A/S (direct)
asbfest.dk	Punktum dk A/S (direct)
asbss.dk	Punktum dk A/S (direct)
asbstudent.dk	Punktum dk A/S (direct)
asbyoualumni.dk	Punktum dk A/S (direct)
astronomibloggen.dk	Punktum dk A/S (direct)
au-clinical.dk	AARHUS UNIVERSITET
au-sat.dk	Punktum dk A/S (direct)
au.dk	Punktum dk A/S (direct)
aubot.dk	Punktum dk A/S (direct)
aucdn.dk	Punktum dk A/S (direct)
audev.dk	AARHUS UNIVERSITET
aufoodscience.dk	Punktum dk A/S (direct)
auh-clinical.dk	AARHUS UNIVERSITET
auherbarium.dk	Punktum dk A/S (direct)
auherning.dk	AARHUS UNIVERSITET
aujob.dk	Punktum dk A/S (direct)
aukrise.dk	Punktum dk A/S (direct)
aumso2.dk	Punktum dk A/S (direct)
ausat.dk	Punktum dk A/S (direct)
autest.dk	AARHUS UNIVERSITET
authorsinaarhus.dk	Punktum dk A/S (direct)
autravel.dk	Punktum dk A/S (direct)
badm.dk	Punktum dk A/S (direct)
behandlingsportalen.dk	Punktum dk A/S (direct)
beisa.dk	Punktum dk A/S (direct)
beready.dk	Punktum dk A/S (direct)
betterbarleybynbt.dk	Punktum dk A/S (direct)
bibfilm.dk	Punktum dk A/S (direct)
biclabs.dk	Punktum dk A/S (direct)
biforskning.dk	Punktum dk A/S (direct)
biobase.dk	Punktum dk A/S (direct)
biochange.dk	Punktum dk A/S (direct)
biodiversitetsraadet.dk	Punktum dk A/S (direct)
biodiversitetsrådet.dk	Punktum dk A/S (direct)
biodiversity-in-the-silicon-age.dk	Punktum dk A/S (direct)
biodivraadet.dk	Punktum dk A/S (direct)
biodivrådet.dk	Punktum dk A/S (direct)
biodjurs.dk	Punktum dk A/S (direct)
bioinformatik.dk	Punktum dk A/S (direct)
biomedicaldesign.dk	Simply.com A/S
bionoegle.dk	Punktum dk A/S (direct)
biophys.dk	AARHUS UNIVERSITET
bioraadet.dk	Punktum dk A/S (direct)
bioresource.dk	Punktum dk A/S (direct)
biorådet.dk	Punktum dk A/S (direct)
biosafetrain.dk	Punktum dk A/S (direct)
biozinc.dk	Punktum dk A/S (direct)
birc.dk	Punktum dk A/S (direct)
bliv-astronaut.dk	Punktum dk A/S (direct)
blivastronaut.dk	Punktum dk A/S (direct)
blodsukkerdata.dk	Punktum dk A/S (direct)
blodtryksdata.dk	Punktum dk A/S (direct)
bookstudievalg.dk	Punktum dk A/S (direct)
borgernesitsikkerhed.dk	Punktum dk A/S (direct)
borneforsk.dk	Punktum dk A/S (direct)
brics.dk	Punktum dk A/S (direct)
brugerinddragelse.dk	Punktum dk A/S (direct)

Showing 100 of 598.

📋 WHOIS#

⏱️ Lookup Timing#

96ms

105ms

118ms

AAAA

94ms

TXT

344ms

CAA

111ms

HTTPS

112ms

TLSA

67ms

SOA

25ms

MTA-STS

116ms

DNSSEC

174ms

SRV

112ms

Total

626ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 04:54:01 shown	626ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-19 03:54:12	828ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-18 02:28:07	396ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-16 00:51:48	813ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-14 19:43:26	1205ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-13 17:41:04	846ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-12 16:35:14	1177ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-11 14:48:09	522ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-10 13:34:51	983ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-09 11:45:14	1354ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-08 09:51:17	2642ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-07 09:33:12	1291ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-06 03:52:32	956ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-05 03:42:47	348ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-04 03:24:16	636ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-03 03:23:25	455ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-02 03:20:06	1499ms	2 NS 1 A 0 MX	🔒 Secure
2026-10-01 03:13:52	639ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-30 03:09:19	410ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-29 23:06:29	1460ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-28 22:49:34	561ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-27 22:27:57	486ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-26 22:06:58	484ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-25 21:56:43	600ms	2 NS 1 A 0 MX	🔒 Secure
2026-09-24 21:41:14	776ms	2 NS 1 A 0 MX	🔒 Secure